Particulate material retainer



FIG. 1 shows a front perspective view of one embodiment of my design for a particulate material retainer;

FIG. 2 shows a rear perspective view thereof;

FIG. 3 shows a bottom view thereof;

FIG. 4 shows a top view thereof;

FIG. 5 shows a side view thereof;

FIG. 6 shows a front view thereof; and,

FIG. 7 shows a rear view thereof.

The broken lines shown in FIGS. 1-6 are included for the purpose of illustrating environment and form no part of the claimed design. 

The ornamental design for a particulate material retainer, as shown and described. 